Allows you charge your Surface devices via 45W 15V3A USB-C Power Delivery (PD) wall charger or power bank, you only need to bring a USBC charger to charge many devices including Surface on the go. It is very lightweight and portable. It can also be used as a spare charger. | Requirement: This cable requires an USB-C charger or charging bank that support 45W 15V3A output. Doublecheck your USBC charger to ensure that it lists "15V/3A" in the specifications. Some PD chargers didn't support the cable, most phone charger wouldn't support the cable. It's recommended that use the cable together with our GaN 3-Port USBC charger, avoid incompatibility problems. Please find the link in the page details, or searching for it using the ASIN ( B08NK8TB7S ) in Amazon search bar. | Extreme Durability:Durable Nylon Braided cable protects wire cores to longevity. Aluminum adopted at both end,maked the cable sturdy and durable | Charging only: It should be noted that this product can only be used for charging surface devices, data and HDMI cannot be transmitted. Each unit is inspected and tested prior to shipment. We stand behind our products with a 12 month worry-free warranty. | Compatibility: Microsoft Surface pro7/6/5/4/3, Surface Laptop1/2/3, Sruface Book1, Surface Go1/2/3. This cable is compatible with Surface Pro 8, but due to technical limitations, the system will show "Slow charging cable is connected", but the power is enough that you can work and entertainment normally.